On November 22, 2014 (October 1, 2014 in the lunar calendar), how many times did the Kangding 6.3 earthquake occur in history? Situation at the home of a person in Bamei Town, Daofu County when the earthquake occurred. At 4:55 pm on November 22, 2014, a magnitude 6.3 earthquake occurred in Kangding County, Ganzi Tibetan Autonomous Prefecture, Sichuan (30.3 degrees north latitude, 101.7 degrees east longitude), with a focal depth of 18 kilometers. Sichuan Daily reported that the earthquake was clearly felt in Kangding County, but no large-scale house collapse occurred. The epicenter was located near Xinduqiao and Tagong Township in Kangding County, separated by Zhuoduo Mountain from Kangding County. At about 17:50, a duty officer from the Kangding County Fire Squadron told the Beijing News reporter that no distress alarm had been received about the earthquake. Many residents of Kangding County said that the earthquake did not last long, within ten seconds. A hotel staff member said,"I was shocked twice. The first time was not very fierce, and the second time was so scared that my legs became soft." According to the requirements of the Sichuan Province Health and Family Planning Commission, the Ganzi Prefecture People's Hospital has urgently vacated 80 beds to receive earthquake victims. The Ganzi Prefecture Blood Station has prepared 22000 milliliters of blood for backup. The blood station in Ya 'an city is ready for support, and the West China Hospital of Sichuan University and the People's Hospital of Sichuan Province are ready to transfer and treat severely injured people. People in Kangding County ran to the streets to "take refuge" and the earthquake warning was successful. At 16:55 on the 22nd, a 6.3-magnitude earthquake occurred in Kangding, Sichuan, and the earthquake was clearly felt in Chengdu. The earthquake early warning system built by the Chengdu High-tech Disaster Reduction Research Institute successfully warned the earthquake, providing a 7-second escape time for the Urban area of Kangding County. At the same time, Chengdu City also received early warning information 53 seconds in advance. It is understood that as of the end of October, the Chengdu High-tech Disaster Reduction Research Institute and relevant units have used the ICL earthquake early warning technology system and have built nearly 2 million square kilometers of earthquake early warning networks in 25 provinces and cities in China, covering 80% of the densely populated and earthquake-prone areas in China. They have successfully warned 19 earthquakes that caused damage, including the Lushan-7 earthquake, Ludian earthquake, and Jinggu earthquake. The public and major projects have been provided through mobile phones, radio and television, Weibo, Dedicated receiving terminals enjoy earthquake early warning services and have achieved obvious disaster reduction results. The public can download the "Earthquake Early Warning" mobile phone software for free to enjoy earthquake early warning services. Theoretical research shows that if the warning time is 3 seconds, the casualty ratio can be reduced by 14%; if it is 10 seconds, the casualty ratio can be reduced by 39%, and if the warning time is 20 seconds, the casualty ratio can be reduced by 63%. History of Kangding Kangding is an important historical city in western China. It was a Qiang land in ancient times: Shu and Han in the Three Kingdoms were called "Dajianlu", Shenli County in the Han Dynasty, Jialiang County in the Sui Dynasty, and Jialiang County in the northeastern part of Tang County are Jimi prefectures such as Zhongchuan and Huiye, which belong to Yazhou and Tubo. The Xuanfu Department was established in the Yuan Dynasty, which was succeeded by the Song and Ming Dynasties. In the twelfth year of Chongzhen (1639), Gushi Khan set up camp officials in Muya. In the forty-second year of Emperor Kangxi of the Qing Dynasty (1701), after the Qing army put down the rebellion of Guanchangsi in Muya Camp, it re-established the Xuanwei Department of Hexi Yutong Ningyuan in the Ming Dynasty (referred to as the "Chief Tusi of the Ming Dynasty"). In the seventh year of Emperor Yongzheng of the Qing Dynasty (1729), the Dajian Lu Hall was set up; in the 11th year of Emperor Yongzheng (1733), the Dajian Lu Hall was set up, and Tongzhi was set up. In the twenty-ninth year of Guangxu (1903), it was upgraded to Zhili Hall, which was subordinate to Jianchang Road, and in the thirty-fourth year (1908) it was changed to Kangding Prefecture. Kangding County was established in the 2nd year of the Republic of China (1913) and belongs to the Sichubian Special Administrative Region. In 1935, the Red Army passed through the county on its Long March and established a Soviet government in Jintang, and a township Soviet government in Kongyu, Xinhe, Pengta, Sanhe, Maibeng, and Qianxi. In the 28th year of the Republic of China (1939), Xikang Province was established, and the provincial capital was Kangding. In 1950, it belonged to the Xikang Tibetan Autonomous Region; Kangding was the residence of the People's Government of the Xikang Tibetan Autonomous Region. In 1955, it belonged to Ganzi Tibetan Autonomous Prefecture in Sichuan Province, and Kangding was still the state capital. Kangding Love Song "Kangding Love Song" is a folk song created by Li Yiruo from Xuanhan, Sichuan in the 1940s and produced in Kangding, Sichuan. About 1930, Li Yiruo fell in love with a classmate with the same surname Li when she was studying in college in Chengdu (about 1930). The classmate surnamed Li is from Kangding. When Li Yiruo and his girlfriend went to Paoma Mountain in Kangding to play, they composed a "Horse Racing Song" based on the "Liuliu tune" of western Hunan and sang it to "Liu's eldest sister" to show their courtship (later "Kangding Love Song"). Due to opposition from his family and clansmen, the marriage failed, and his family refused to give him money to study. Later, he completed college studies with the help of his adoptive father Shi Tiyuan (then director of the Sichuan Province Department of Finance) and Miss Li. Today,"Kangding Love Song" has been sung all over the country and has been sung all over the world. Moreover, it is the first song in my country to fly into space and is known as the love song of the universe (one of the ten famous songs in the world). On the galloping mountains of Kangding, an art festival-Western China Kangding Song Festival-was held specifically for this song on August 18, 2001, making the hometown of "Kangding Love Song" a great sight. "Love Song of Kangding", as the "business card" of Kangding County, allowed Kangding to walk out of the mountains, out of the basin, and out of the country. Extended reading: How many earthquakes have occurred in Kangding's history? Extended reading: How many earthquakes have occurred in Kangding's history? The Kangding-Ganzi seismic belt is also known as the "Xianshuihe seismic belt". The Kangding earthquake was caused by the Kangding-Ganzi seismic belt. This is one of the longest and most active seismic zones in Sichuan earthquake history. The seismic zone starts from the north of the Ganzi East Valley in the west and extends southeast. It passes through Luhuo, Daofu, Kangding, and reaches Shimian in the south. It is about 400 kilometers long. Geological structures such as Xianshuihe fault, Qianning-Kangding fault, Zheduotang fault and asbestos fault are distributed here. Historically, this seismic zone has frequent seismic activity, large magnitude, and strong damage intensity, making it the highest in Sichuan. Its focal depth is generally within 20 kilometers. Since 1630, nine earthquakes of magnitude 7 or above have occurred in this seismic belt. 1. The 1630 Xiaoheying earthquake in Songpan is estimated at magnitude 7.0. On January 16 (the fourth day of December of the third year of Chongzhen in the Ming Dynasty), there was an earthquake in Xiaoheying in Songpan. Another magnitude 7 earthquake occurred in the local area, causing a landslide. The city wall collapsed 120 feet, affecting Songpan, Cangxi, Guang 'an, Chongqing, Bishan, Gongxian, Weiyuan, Leshan, Ya' an, Chengdu and other places. 2. The 1725 Kangding earthquake was estimated at magnitude 7.0. On August 1 (June 23, the third year of Yongzheng of the Qing Dynasty), the Kangding earthquake of magnitude 7 caused the local yamen, residential buildings, and watchtowers to collapse, causing serious casualties, affecting Hanyuan, Tianquan, Litang, Batang and other places. 3. The 1748 Kangding earthquake was estimated to be 7.0. On August 30 (the seventh day of the lunar month), a 7.0-magnitude earthquake in northwest Kangding occurred 7 times in less than a day, affecting Luhuo, Gongxian, Wenchuan, Deyang, Lezhi, Neijiang, Longchang, Zigong, Nanxi, Gongxian and Pingshan areas. 4. The 1786 Kangding earthquake was estimated to have a magnitude of 7.25. On May 6, the 51st year of Qianlong of the Qing Dynasty (June 1, 1786), a magnitude of 7.25 earthquake occurred in Kangding, with the epicenter position of 29.9° north latitude and 102.0° east longitude, and the epicenter intensity XX-XI. On June 1, 1786, an earthquake occurred in Dajianlu (now Kangding), Luding Bridge, Moxi and other places. The entire city wall collapsed, not a single room remained. The civil and military government offices, warehouses, and military houses all collapsed, killing soldiers, merchants, and poor people. The blockhouse of the official village of the Tusi in the Ming Dynasty collapsed and a fire broke out. When Dajianlu reached Taining Camp, rocks and rocks collapsed, the path was blocked, and the documents could not be delivered. Outside Dajianlu, the main road leading to Tibet is broken, and the Yongkou River (Dadu River) has accumulated water more than 200 feet high, causing water to stop storing and flood, and many fields along the river are inundated. The earthquake stopped suddenly, the water in the tank tilted sideways, and people could not stand up. After the earthquake, there was a slight tremor, and the earthquake occurred again, like for several months. 5. The 1816 Luhuo earthquake was estimated to be 7.0 magnitude on December 8 (October 20, 21st year of Jiaqing, Qing Dynasty) Luhuo earthquake of magnitude 7, and the Luhuo earthquake of Sichuan Province on October 20, 21st year of Jiaqing, Qing Dynasty."On October 20, an earthquake occurred in the Zhanggu area. The Lama Temple and various houses suddenly collapsed, killing a large number of people, including Han, ethnic and women... A total of 1,816 Han and Buddhist male, female and senior lamas, and 138 young men, female and junior lamas were killed. 6. The 1904 Luhuo earthquake was estimated at magnitude 7.25. On August 30 (July 24, the 30th year of the Guangxu reign of the Qing Dynasty), the Daofu earthquake of magnitude 7.25 knocked down most houses along the way within 200 miles. There were another earthquake on July 30 and the second day of August. 7. The 1923 Luhuo Daofu earthquake of magnitude 7.25 At 20:40:06 on March 24, a 7.25-magnitude earthquake occurred between Luhuo and Daofu. The epicenter was located at 31°30 'north latitude, 101°00' east longitude, and the epicenter intensity X degree. The epicenter of the earthquake covered an area of 40 square kilometers. The most serious damage was in the Jiangjun Bridge area. About 1/10 of the Luhuo ground was destroyed, extending more than 500 miles. There are many cracks in the Jiangjun Bridge and River Dam in the city, with a width of 1-2 meters. The houses of the government collapsed, and the temples and churches collapsed. There were many casualties and injuries in the county, with more than 3000 deaths and property losses of 2 - 3 million yuan. There was almost no smoke from kitchens within 200 miles of urban and rural areas. There was no coffin to bury the dead. The living cried out of hunger and cold, and they had no way to make a living. The injured were miserable and unable to save them. 8. The 1955 Zheduotang Earthquake of magnitude 7.5 in Kangding At 9:29:2 on April 14, a magnitude 7.5 earthquake occurred in Zheduotang, Kangding. The epicenter was located at 30°00 'north latitude and 101°48' east longitude. The epicenter intensity was X., and the focal depth was 20 kilometers. During the earthquake, landslides and cracks broke, and sand flew and rocks flew; the river water rose, the spring water increased or dried up, the water changed color, the location of some springs also changed, and the water temperature of the Zhuduotang Hot Spring dropped; the "peak" of Haizi Mountain at an altitude of 5820 meters between Tagong and Kangding collapsed and leveled, and the Gongga Mountain was avalanche. The ice melted and caused Yanzi Valley to flood for more than 20 days. A total of 624 houses and temples collapsed in Kangding County, and 1083 were tilted or damaged. The earthquake killed 70 people and injured 217 others. 9. The 1973 Luhuo Yade earthquake of magnitude 7.6 At 18:37:07 on February 6, a magnitude 7.6 earthquake occurred in Yade, Luhuo County. The epicenter was located at 31°18 'north latitude and 100°42' east longitude. The epicenter intensity was X and the focal depth was 11 kilometers. The disaster-stricken areas include Luhuo, Ganzi, Daofu, Xinlong, Rangtang and other counties, covering an area of about 6000 square kilometers. 15700 houses collapsed, 2867 were damaged, and 3441 were damaged. Seventeen locations on the Sichuan-Tibet Highway were severely damaged, with 40-50 landslides (collapse widths ranging from a few meters to tens of meters), and widespread cracks on the road surface, including 30-40 locations, with more than 100 roads. The earthquake killed 2175 people, injured 2756 people, and killed 88 households; 40427 livestock and 4023602 kilograms of grain were lost. Post and telecommunications lines from Kangding to Ganzi, Luhuo, Seda, Xinlong, Dengke, Shiqu, Baiyu, Dege and other counties were destroyed and communications were interrupted.